Finding the Fourth Proportional to 964,162.70, 1,330,515.70 and 528,565.14
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Solution
The fourth proportional to 964,162.70, 1,330,515.70 and 528,565.14 is: 729,404.09
Step by Step Solution
- Step 1: Write the proportion equation
964,162.70 : 1,330,515.70 = 528,565.14 : x - Step 2: Convert to fraction form
964,162.70/1,330,515.70 = 528,565.14/x - Step 3: Cross multiply
964,162.70x = 1,330,515.70 × 528,565.14 - Step 4: Simplify right side
964,162.70x = 703,264,213,066.71 - Step 5: Solve for x
x = 703,264,213,066.71/964,162.70 - Step 6: Final answer
x = 729,404.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.